ID B9NPX6_9RHOB Unreviewed; 431 AA.
AC B9NPX6;
DT 24-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 24-MAR-2009, sequence version 1.
DT 24-JAN-2024, entry version 65.
DE RecName: Full=Acetyltransferase component of pyruvate dehydrogenase complex {ECO:0000256|RuleBase:RU361137};
DE EC=2.3.1.12 {ECO:0000256|RuleBase:RU361137};
GN ORFNames=RKLH11_307 {ECO:0000313|EMBL:EEE36474.1};
OS Rhodobacteraceae bacterium KLH11.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae.
OX NCBI_TaxID=467661 {ECO:0000313|EMBL:EEE36474.1, ECO:0000313|Proteomes:UP000005135};
RN [1] {ECO:0000313|Proteomes:UP000005135}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KLH11 {ECO:0000313|Proteomes:UP000005135};
RX PubMed=21742885; DOI=10.1128/jb.05556-11;
RA Zan J., Fricke W.F., Fuqua C., Ravel J., Hill R.T.;
RT "Genome Sequence of Ruegeria sp. Strain KLH11, an N-Acylhomoserine Lactone-
RT Producing Bacterium Isolated from the Marine Sponge Mycale laxissima.";
RL J. Bacteriol. 193:5011-5012(2011).
CC -!- FUNCTION: The pyruvate dehydrogenase complex catalyzes the overall
CC conversion of pyruvate to acetyl-CoA and CO(2). It contains multiple
CC copies of three enzymatic components: pyruvate dehydrogenase (E1),
CC dihydrolipoamide acetyltransferase (E2) and lipoamide dehydrogenase
CC (E3). {ECO:0000256|ARBA:ARBA00025211}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + N(6)-[(R)-dihydrolipoyl]-L-lysyl-[protein] = CoA
CC + N(6)-[(R)-S(8)-acetyldihydrolipoyl]-L-lysyl-[protein];
CC Xref=Rhea:RHEA:17017, Rhea:RHEA-COMP:10475, Rhea:RHEA-COMP:10478,
CC ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, ChEBI:CHEBI:83100,
CC ChEBI:CHEBI:83111; EC=2.3.1.12;
CC Evidence={ECO:0000256|ARBA:ARBA00000925,
CC ECO:0000256|RuleBase:RU361137};
CC -!- COFACTOR:
CC Name=(R)-lipoate; Xref=ChEBI:CHEBI:83088;
CC Evidence={ECO:0000256|RuleBase:RU361137};
CC Note=Binds 1 lipoyl cofactor covalently.
CC {ECO:0000256|RuleBase:RU361137};
CC -!- SUBUNIT: Forms a 24-polypeptide structural core with octahedral
CC symmetry. {ECO:0000256|ARBA:ARBA00011484}.
CC -!- SIMILARITY: Belongs to the 2-oxoacid dehydrogenase family.
CC {ECO:0000256|ARBA:ARBA00007317, ECO:0000256|RuleBase:RU361137}.
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DR EMBL; DS999531; EEE36474.1; -; Genomic_DNA.
DR AlphaFoldDB; B9NPX6; -.
DR STRING; 467661.RKLH11_307; -.
DR eggNOG; COG0508; Bacteria.
DR HOGENOM; CLU_016733_10_2_5; -.
DR OrthoDB; 9805770at2; -.
DR Proteomes; UP000005135; Unassembled WGS sequence.
DR GO; GO:0045254; C:pyruvate dehydrogenase complex; IEA:InterPro.
DR GO; GO:0004742; F:dihydrolipoyllysine-residue acetyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006086; P:acetyl-CoA biosynthetic process from pyruvate; IEA:InterPro.
DR GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-KW.
DR CDD; cd06849; lipoyl_domain; 1.
DR Gene3D; 2.40.50.100; -; 1.
DR Gene3D; 3.30.559.10; Chloramphenicol acetyltransferase-like domain; 1.
DR Gene3D; 4.10.320.10; E3-binding domain; 1.
DR InterPro; IPR003016; 2-oxoA_DH_lipoyl-BS.
DR InterPro; IPR001078; 2-oxoacid_DH_actylTfrase.
DR InterPro; IPR000089; Biotin_lipoyl.
DR InterPro; IPR023213; CAT-like_dom_sf.
DR InterPro; IPR045257; E2/Pdx1.
DR InterPro; IPR036625; E3-bd_dom_sf.
DR InterPro; IPR006257; LAT1.
DR InterPro; IPR004167; PSBD.
DR InterPro; IPR011053; Single_hybrid_motif.
DR NCBIfam; TIGR01349; PDHac_trf_mito; 1.
DR PANTHER; PTHR23151; DIHYDROLIPOAMIDE ACETYL/SUCCINYL-TRANSFERASE-RELATED; 1.
DR PANTHER; PTHR23151:SF90; DIHYDROLIPOYLLYSINE-RESIDUE ACETYLTRANSFERASE COMPONENT OF PYRUVATE DEHYDROGENASE COMPLEX, MITOCHONDRIAL; 1.
DR Pfam; PF00198; 2-oxoacid_dh; 1.
DR Pfam; PF00364; Biotin_lipoyl; 1.
DR Pfam; PF02817; E3_binding; 1.
DR SUPFAM; SSF52777; CoA-dependent acyltransferases; 1.
DR SUPFAM; SSF47005; Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex; 1.
DR SUPFAM; SSF51230; Single hybrid motif; 1.
DR PROSITE; PS50968; BIOTINYL_LIPOYL; 1.
DR PROSITE; PS00189; LIPOYL; 1.
DR PROSITE; PS51826; PSBD; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|ARBA:ARBA00023315,
KW ECO:0000256|RuleBase:RU361137};
KW Lipoyl {ECO:0000256|ARBA:ARBA00022823, ECO:0000256|RuleBase:RU361137};
KW Pyruvate {ECO:0000313|EMBL:EEE36474.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000005135};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU361137}.
FT DOMAIN 2..78
FT /note="Lipoyl-binding"
FT /evidence="ECO:0000259|PROSITE:PS50968"
FT DOMAIN 131..168
FT /note="Peripheral subunit-binding (PSBD)"
FT /evidence="ECO:0000259|PROSITE:PS51826"
FT REGION 90..123
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 431 AA; 44640 MW; A838A923DFD7107A CRC64;
MPTEILMPAL SPTMEEGTLA KWLVKEGDTV SSGDLLAEIE TDKATMEFEA VDEGTIGKIL
IPEGSEGVRV NTAIAVLLED GESADDIAAT PAKAPEAAPA AAGNEAAAPA APEAPAPAPA
APVKADGGRI FASPLARRIA AQKGLDLAQI AGSGPHGRIV KADVESATAA PAAAPAPAAA
PAPAAAPAGP SADMVARMYE GREYEEIQLD GMRKTIAARL GEAKQTIPHF YLRRDIKLDA
LLKFRSQLNK QLEGRGVKLS VNDFIIKAVA NALQQVPECN AVWAGDRVLQ LKPSDVAVAV
AIEGGLFTPV LQDADTKSLS ALSSEMKDLA GRARERKLAP HEYQGGTFAV SNLGMFGIDN
FDAIVNPPHA GILAVGTGVK KPVVGDDGEL TVATVMSVTM SVDHRVIDGA LGAELLKAIV
ENLENPMVML A
//